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#!/usr/bin/env python
#
# Copyright (c), 2022, SISSA (International School for Advanced Studies).
# All rights reserved.
# This file is distributed under the terms of the MIT License.
# See the file 'LICENSE' in the root directory of the present
# distribution, or http://opensource.org/licenses/MIT.
#
# @author Davide Brunato <brunato@sissa.it>
#
from timeit import timeit
def run_timeit(stmt='pass', setup='pass', number=1000):
seconds = timeit(stmt, setup=setup, number=number)
print("{}: {}s".format(stmt, seconds))
if __name__ == '__main__':
from contextlib import contextmanager
print('*' * 50)
print("*** Decoder profile for xmlschema package ***")
print('*' * 50)
print()
def func():
pass
def inner1():
yield 1
def value_from_generator():
value, = inner1()
return value
# inner should not be created again and again
@contextmanager
def inner2():
yield 1
def value_from_with():
with inner2() as value:
return value
class CM:
def __init__(self):
self.level = 0
def __enter__(self):
self.level += 1
return self
def __exit__(self, exc_type, exc_val, exc_tb):
self.level -= 1
return
cm = CM()
level = 10
def value_from_with2():
with cm as value:
return value
NUMBER = 20000
print("*** Profile evaluation ***\n")
setup = 'from __main__ import value_from_with, value_from_with2'
run_timeit("value_from_with()", setup=setup, number=NUMBER)
run_timeit("value_from_with2()", setup=setup, number=NUMBER)
setup = 'from __main__ import cm'
run_timeit("cm.level += 1; pass; cm.level -= 1", setup=setup, number=NUMBER)
setup = 'from __main__ import func'
run_timeit("func()", setup=setup, number=NUMBER)
setup = 'from __main__ import level'
run_timeit("level += 1; pass; level -= 1", setup=setup, number=NUMBER)
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